Home / 85,716.62-118,290.19-49,417.44

Finding the Fourth Proportional to 85,716.62, 118,290.19 and 49,417.44

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Solution

The fourth proportional to 85,716.62, 118,290.19 and 49,417.44 is: 68,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,716.62 : 118,290.19 = 49,417.44 : x
  2. Step 2: Convert to fraction form
    85,716.62/118,290.19 = 49,417.44/x
  3. Step 3: Cross multiply
    85,716.62x = 118,290.19 × 49,417.44
  4. Step 4: Simplify right side
    85,716.62x = 5,845,598,418.84
  5. Step 5: Solve for x
    x = 5,845,598,418.84/85,716.62
  6. Step 6: Final answer
    x = 68,196.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.